1// Test a large ACK (at ACE field max delta) 2 3`./defaults.sh 4sysctl -q net.ipv4.tcp_ecn=3 5sysctl -q net.ipv4.tcp_ecn_option=0 6` 7 8 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 9 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 10 +0 bind(3, ..., ...) = 0 11 +0 listen(3, 1) = 0 12 13 +0 < SEWA 0:0(0) win 32792 <mss 1460,nop,nop,sackOK,nop,wscale 8> 14+.002 > SW. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> 15+0.05 < [ect0] W. 1:1(0) ack 1 win 264 16+.002 accept(3, ..., ...) = 4 17 18+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 19 20+0.01 write(4, ..., 14600) = 14600 21+.002 > [ect0] P.5 1:14601(14600) ack 1 22 // Fake CE 23+0.05 < [ect0] .4 1:1(0) ack 14601 win 264 24 25+0.01 %{ assert tcpi_delivered_ce == 7, tcpi_delivered_ce }% 26